updating composer dependencies

Author: dmolsen

composer.json

@@ -26,9 +26,9 @@
 	"minimum-stability": "dev",
 	"require": {
 		"php": ">=5.3.6",
-		"pattern-lab/core": "0.*",
-		"pattern-lab/patternengine-twig": "0.*",
-		"pattern-lab/styleguidekit-twig-default": "0.*"
+		"pattern-lab/core": "^2.0.0",
+		"pattern-lab/patternengine-twig": "^2.0.0",
+		"pattern-lab/styleguidekit-twig-default": "^2.0.0"
 	},
 	"scripts": {
 		"post-install-cmd": [